Grill cleaner



FIG. 1 is a perspective view of a grill cleaner, showing my new design;

FIG. 2 is a side elevation view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a bottom view thereof. 

The ornamental design for a grill cleaner, substantially as shown and described. 